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USGBC's commentary "Product Replacement via EPDs optimization"

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by jaclyn lee on Sep 4, 2024, 7:58 pm

We got a comment back from USGBC that said this: 

It is unclear if the Product Replacement via EPDs optimization for aluminum extrusions, hollow structural steel, gypsum boards/...

Last reply: jaclyn lee, Apr 2, 2025, 5:03 pm

Rainwater tank for irrigation

NC-v4 WEp1: Outdoor water use reduction
posted by Julio Fernandez Amodia on Feb 22, 2023, 10:08 pm

Hi to all,

I am currently working on this credit compliance for a large landscape area with a majority of native and adaptive plants. In the region where the project is locate rainfall...

Last reply: Allen Cornett, Apr 2, 2025, 7:47 am

No EPD for Concrete

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Aishwarya Katta on Apr 1, 2025, 5:50 pm

Hi All, 

We get a lot of concrete mixes that have reduced carbon footprint, however we're not able to use that for LEED because they dont have EPDs. I was wondering if LEED with accept the...

Historical building and Existing building part of connected structure

NC-v4 MRc1: Building life-cycle impact reduction
posted by Edgar Arevalo on Apr 1, 2025, 1:40 pm

I have courthouse project that involves two existing buildings being connected with a newly constructed third building.  Since one of the existing buildings connected to the third one is...

Last reply: Edgar Arevalo, Apr 1, 2025, 1:43 pm

Green-e energy certificate accounted for in EA credit- v4 x v4.1

NC-v4 EAc2: Optimize Energy Performance
posted by A&L SUSTENTABILIDADE on Feb 24, 2022, 11:45 am

Our project is registered under the LEED v4, but we have substituted the EAc5 and EAc7 with the EA credit Renewable Energy from LEED v4.1, we intend to use the Tier 2 and purchase...

Last reply: Luis Andrade, Apr 1, 2025, 4:24 am

WEc Water Metering

NC-v4 WEc4: Water metering
posted by Theresa Lehman on Mar 25, 2025, 9:55 am

I am working on a homeless shelter project with three large water uses: kitchen, laundry, bathrooms (toilets, sinks & showers) where toilets are on cistern water. I am wondering if the...

Last reply: Dave Hubka, Mar 31, 2025, 12:27 pm

Pilot-Credits EQpc114- Learning controls for thermal comfort

Pilot-Credits EQpc114: Learning controls for thermal comfort
posted by Rachel Bundy on Apr 20, 2021, 3:45 pm

Since this is listed as an alternative compliance path for LEED v4 ID&C Thermal Comfort; if we meet the requirements for both IEQ credit Thermal Comfort and the requirements for the pilot...

Last reply: Ramon Christopher Medrano, Mar 30, 2025, 10:35 pm

BUG ratings for recessed down lights

NC-v4 SSc6: Light Pollution Reduction
posted by Brightworks Sustainability on Nov 3, 2015, 11:27 am

Hi Bill,

Do you know how to account for exterior lighting that does not have published BUG ratings? We are trying to get this information from the architect but he says that most of the...

Last reply: Alexandra Pop, Mar 29, 2025, 4:06 am

Composting Audit or Estimate Volume?

Pilot-Credits SSpc129: Comprehensive Composting
posted by Allison Smith on Jan 31, 2022, 12:33 am

We are working on a small commercial office space whose staff have flexible work arrangements. In this new office space, the staff is commited to composting and championed a composting program...

Last reply: Rebecca Rice, Mar 28, 2025, 1:09 pm

Process Chiller in a Lab Building: 90.1-2019 Baseline vs. Proposed

NC-v4 EAp2: Minimum Energy Performance
posted by Kristy M. Walson on Mar 19, 2025, 6:16 pm

We're working on a 35,000 SF lab building on a campus district cooling loop. The baseline system type is #5, so there's no chilled water in the baseline. The project overcoming the process heat...

Last reply: Marcus Sheffer, Mar 28, 2025, 10:41 am